Environmental Consultants in Hempstead, NY
Phase I ESAs & Downtown Redevelopment
- 350+Phase I ESAs delivered
- Since 2005Serving NY developers
- 500+Projects completed
Hempstead village is Nassau County's busiest downtown, with redevelopment focused around the transit center and the Fulton Avenue and Main Street corridors. Envicon delivers Phase I ESAs, NYSDEC Brownfield Cleanup Program support and UST and vapor intrusion work for developers, owners and lenders.
Photo: Pi.1415926535, CC BY-SA 3.0 via Wikimedia Commons
Environmental Consulting in Hempstead, NY
Envicon Group provides Phase I and Phase II ESAs, NYSDEC Brownfield Cleanup Program support, UST closures and vapor intrusion assessment for Hempstead, NY. Our nearby work includes brownfield redevelopment in Queens, about 10 miles west, and we schedule reports around lender and village approval dates.
Our Work Near Hempstead
- 12-Story Brownfield RedevelopmentQueens, NY
- Farrington Street Flush Truck Facility ConstructionQueens, NY
Part of our Nassau County coverage.
Agencies We Work With
- NYSDEC Region 1 (Stony Brook)
- Nassau County Department of Health
- Incorporated Village of Hempstead Community Development Agency
Our Hempstead Services
Phase I & II ESA
ASTM E1527-21 assessments for Hempstead commercial and mixed-use property
NYSDEC Brownfield Cleanup Program
BCP applications, investigations and remedial oversight
UST Removal & Closure
Tank investigation, removal and NYSDEC spill closure
Vapor Intrusion Assessment
NYSDOH-guided sampling for mixed-use buildings
Asbestos & Lead Surveys
Pre-renovation and demolition surveys
Soil Management
Characterization and disposal planning for construction
Frequently Asked Questions About Hempstead Environmental Services
Also Serving Nearby Areas
Local delivery
What working with a regional crew looks like
Short mobilization distances mean faster site visits, quicker sampling turnarounds, and engineers who already know the local reviewers.

Step 1: Scoping call
Day 1
A licensed engineer reviews the property, your deadline, and who needs the report — lender, agency, or counsel.

Step 2: Local mobilization
Crews dispatch from the nearest office, usually on site within days rather than weeks.

Step 3: Site reconnaissance
Days 2-5
Field staff walk the site, log conditions, and interview operators so the scope reflects what is actually there.

Step 4: Sampling & analysis
Week 2
Soil, groundwater, vapor, or air data is collected and run through accredited laboratories with documented chain of custody.

Step 5: Filing & closure
We submit to the reviewing agency, answer comments, and carry the file through approval or no-further-action.
Environmental Consultant New York
See all NY service areas — NYC, Long Island, Westchester, and Rockland.
Explore hub- Lender Due Diligence
- Environmental Assessment
- Remediation & Brownfield
- Compliance & Permitting
- Civil & Geotechnical
- Digital & GIS
- Strategic Advisory
Have a Hempstead project?
Fixed-fee proposals the same business day. Rush turnaround available.
All services available in Hempstead
Every discipline below is delivered locally in Hempstead, under the same senior engineer and licensed professional oversight.
- Environmental Compliance Audit in Hempstead
- Stormwater & SWPPP in Hempstead
- SPCC Plan in Hempstead
- SEQR & CEQR Environmental Review in Hempstead
- Environmental Impact Statements (EIS) in Hempstead
- Construction Oversight in Hempstead
- Wetland Delineation & Restoration in Hempstead
- Health & Safety Plans (HASP) in Hempstead
Get a Free Hempstead Site Assessment
Same-business-day proposals available. No obligation.
Phase I ESA & Environmental Costs in Hempstead, NY
Hempstead Phase I ESAs often hinge on tank and gas-station history along the commercial corridors. Envicon quotes per parcel and flags groundwater concerns that Nassau regulators watch closely.
| Scope | Typical range |
|---|---|
| Standard commercial Phase I ESA — NJ | $2,200–$4,500 |
| Standard commercial Phase I ESA — NYC | $2,640–$5,625 |
| Phase II ESA (soil / groundwater) | $8,000–$25,000 |
Get a cost estimate for your Hempstead, NY project
NY/NJ-specific pricing in three steps, no phone call required.
Or explore the full pricing calculator directly: Phase I ESA cost in Hempstead.
Phase I ESA FAQs — Hempstead, NY
Cost, scope, turnaround, and how long a Phase I ESA stays valid.
Envicon Group — New York City
Verified office details, hours and directions for Hempstead projects — plus a place to leave a review if we have worked together.
One Team. One Point of Contact. From Assessment to Closeout.
Environmental, civil, and geotechnical, coordinated under a single project manager.
Most clients receive a proposal the same business day. Field work typically begins within 72 hours of authorization.

